TM 55-1520-240-23-7
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INSTALL APU GENERATOR CURRENT TRANSFORMER FORWARD
(Continued)
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Current transformer must be installed
with terminals facing contactor (up).
If installed in reverse, overcurrent
protection system will not clear a
ground fault and a fire will result.
NOTE
Procedure is same for installation
of three APU current transformers.
Installation of one transformer is
shown here.
1.
Feed wire (1) through transformer (2). Position
transformer on bracket (3). Install four screws
(4) and nuts (5).
2.
Remove tape and connect two wires (6) to
transformers (2) by installing two screws (7), four
washers (8), and two nuts (9). Remove tags.
3.
Route wire (1) to terminal (10).
4.
Remove tape. Connect wire (1) to terminal (10)
and install nut (11) and washer (12). Install
terminal cover (13) and two screws (14).
5.
Close PDP door (15). Tighten six fasteners (16).
INSPECT
FOLLOW-ON MAINTENANCE:
Perform operational check of generator (TM
55-1520-240-T).
END OF TASK
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